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Last update: 2017-11-14

VdS FG

- Open Clusters & Asterisms (Sct) -

And (3) Cep (25) Cyg (23) Lyr (2) Sct (4) Vir (1)
Aql (7) CMa (3) Del (1) Mon (7) Ser (2) Vul (8)
Aqr (1) CMi (1) Dra (1) Oph (3) Sge (1)
Aur (6) Cnc (3) Gem (8) Ori (11) Sgr (5)
Cam (4) Com (1) Her (3) Peg (1) Tau (6)
Cap (1) Crv (1) Hya (1) Per (13) Tri (1)
Cas (22) CVn (1) Lac (6) Pup (6) UMi (1)

Leiter 15 (AST)

DSS
© DSS I - 5×5'
Name: Leiter 15
Type: AST
Constellation: Sct
Coordinates: 18h51m47.00s / -05°44'00.00"
Brightness / Size: - / 3.0x3.0'
8" f/6, 80x, Bortle 4, SQM-L 21.1
SQM-L 20.3: At 37x visible as a compact group of stars. At 80x the four brightest stars become visible. The southeastern chain of stars is at 80x faint, at 200x quite well visible with averted vision.
EASY

M11 (OC)

DSS
© DSS I - 20×20'
Name: M11, NGC6705, Wild Duck Cluster
Type: OC
Constellation: Sct
Coordinates: 18h51m05.00s / -06°16'12.00"
Brightness / Size: v5.8 mag / 14.0x14.0'
B 40mm, 8x, Bortle 5, NELM 5.5
Very evident. Round, diffuse, brightening toward the middle.

EASY
8" f/6, 37x, Bortle 4, SQM-L 21.1
Already resolvable at lower magnification with many fainter stars. A bit outside of the center an evident bright star. At 96x awesome view! Background appears still diffuse. Many chains and groups of stars, so the cluster appears irregular.
EASY

M26 (OC)

DSS
© DSS I - 15×15'
Name: M26, NGC6694
Type: OC
Constellation: Sct
Coordinates: 18h45m18.00s / -09°23'00.00"
Brightness / Size: v8.9 mag / 15.0x15.0'
8" f/6, 37x, Bortle 4
At 37x evident as a small cloud, whereas about 5 stars are visible with direct vision. At 96x some fainter stars apparent. Overall quite small, more loose. A chain of fainter stars stands out of the cluster.
EASY

NGC6664 (OC)

DSS
© DSS II (red) - 25×25'
Name: NGC6664, H8.12
Type: OC
Constellation: Sct
Coordinates: 18h36m37.00s / -07°48'48.00"
Brightness / Size: v7.8 mag / 16.0x16.0'
8" f/6, 37x, Bortle 4
Obvious as a group of medium bright, scattered stars without any noticeable concentration toward the middle.
EASY